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Ti-Zr-Be-Cu-Co塊體非晶合金形成能力及其耐蝕性的研究
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吉林工業(yè)職業(yè)技術學院項目；吉林化工學院測試基金（2011103003）


Glass Forming Ability and Corrosion Behavior of Ti-Zr-Be-Cu-Co Bulk Metallic Glass
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    摘要:

    采用銅模鑄造法制備了Ti35Zr30Be24Cu7.5Co3.5塊體非晶合金，利用X射線衍射（XRD）、掃描電鏡（SEM）、高分辨透射電鏡（HRTEM）以及差示掃描量熱分析法（DSC）考察了合金的非晶特性和熱力學性能，通過電化學極化試驗和變溫失重腐蝕試驗測試了合金的耐蝕性。結果表明：制備直徑12 mm的Ti35Zr30Be24Cu7.5Co3.5塊體非晶合金相結構為完全的非晶相，具有較大玻璃形成能力和熱穩(wěn)定性；在0.6 mol/L的NaCl溶液里的電化學腐蝕行為以及在313 K、333 K 1mol/L HCL的變溫失重腐蝕中與304不銹鋼相比，Ti35Zr30Be24Cu7.5Co3.5塊體非晶具有優(yōu)異的耐腐蝕性能

    Abstract:

    Ti35Zr30Be24Cu7.5Co3.5 bulk amorphous alloy was prepared by a copper mold casting method. The structure and thermal stability of the bulk amorphous alloy was investigated by means of X-ray diffractometry (XRD), scanning electron microscopy (SEM), high-resolution transmission electron microscopy (HRTEM) and differential scanning calorimetry (DSC). Its corrosion resistance was evaluated by conducting electrochemical corrosion test and variable temperature weightless corrosion test. Results show that the as-prepared Ti35Zr30Be24Cu7.5Co3.5 alloy exhibits an amorphous structure with at least 12 mm diameter, and has a high glass forming ability and a good thermal stability. The corrosion behaviors of Ti35Zr30Be24Cu7.5Co3.5 bulk amorphous alloy and the 304 stainless steel were investigated by an electrochemical method in 0.6 mol/L NaC1 solution and by variable temperature weightless corrosion in 313 K and 333 K 1mol/L HCL solution. Compared with the 304 stainless steel, the Ti35Zr30Be24Cu7.5Co3.5 bulk amorphous alloy has a better corrosion resistance

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宋艷玲,索忠源,馬長捷,李麗娜. Ti-Zr-Be-Cu-Co塊體非晶合金形成能力及其耐蝕性的研究[J].稀有金屬材料與工程,2013,42(10):2127~2130.[Song Yanling, Suo Zhongyuan, Ma Changjie, Li Lina. Glass Forming Ability and Corrosion Behavior of Ti-Zr-Be-Cu-Co Bulk Metallic Glass[J]. Rare Metal Materials and Engineering,2013,42(10):2127~2130.]
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  • 收稿日期:2012-10-18
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